patch 8.0.1833: X11: ":echo 3.14" gives E806 commit https://github.com/vim/vim/commit/889fe2c2b9ba5c92b7e862a4aafbd863585fd633 Author: Bram Moolenaar <Bram@vim.org> Date: Sun May 13 16:23:40 2018 +0200 patch 8.0.1833: X11: ":echo 3.14" gives E806 Problem: X11: ":echo 3.14" gives E806. Solution: set LC_NUMERIC to "C". (Dominique Pelle, closes https://github.com/vim/vim/issues/2368)

" Settings for test script execution
" Always use "COMMAND.COM", don't use the value of "$SHELL".
set shell=c:\COMMAND.COM shellquote= shellxquote= shellcmdflag=/c shellredir=>
" This is used only when the +eval feature is available.
if executable("cmd.exe")
   set shell=cmd.exe
endif

source setup.vim